The Square D X Series Universal Switch Module Rocker Cover Plate easily snaps into one of Square D X Series switch modules without the need to rewire the switch. The swapping and upgrading may be done without the need to remove the switch from the wall. This rocker plate is compatible with the switches of the X series, so that the personalization of your interior design with many styles of dcor is possible. Enjoy a consistent look across your room or home with the full line of Square D X Series switches, dimmers, sensors, and receptacles. Complete the look with one of the Square D X Series cover plates (not provided) that easily snaps into place for a modern, flush-facing finish to your walls. Enjoy a consistent look across your room or home with the full line of Square D X Series switches, dimmers, sensors, and receptacles. The rocker plate is made of plastic making it resistant and durable. This rocker plate benefits from an elegant matt finishing, constituting an added value for your interior design. It is 33 mm in width, 67 mm in height, 23 mm in depth. By satisfying the UL 20 standard, this rocker plate is cUlus certified. The dimensions are (W) 33mm x (H) 67mm x (D) 23mm. This device is black with matte surface finish. It is made of high-impact resistant thermoplastic material. This device is compliant with UL 20 standard and cULus certification.